425541623526523 has 8 divisors (see below), whose sum is σ = 496680800712192. Its totient is φ = 356989325511336.

The previous prime is 425541623526479. The next prime is 425541623526587. The reversal of 425541623526523 is 325625326145524.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 425541623526523 - 2³³ = 425533033591931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425541623526823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 646719792265 + ... + 646719792922.

It is an arithmetic number, because the mean of its divisors is an integer number (62085100089024).

Almost surely, 2^{425541623526523} is an apocalyptic number.

425541623526523 is a deficient number, since it is larger than the sum of its proper divisors (71139177185669).

425541623526523 is a wasteful number, since it uses less digits than its factorization.

425541623526523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1293439585241.

The product of its digits is 51840000, while the sum is 55.

The spelling of 425541623526523 in words is "four hundred twenty-five trillion, five hundred forty-one billion, six hundred twenty-three million, five hundred twenty-six thousand, five hundred twenty-three".